雷电回击通道电流影响因子仿真分析

雷电回击模型是雷电电磁场研究领域的重要环节，为了能够更深层次的研究雷电电磁场，着重介绍了雷电回击模型中的工程模型，并结合目前电磁兼容领域应用最广泛的通道电流随高度变化呈指数衰减（MTLE），选取Heidler函数为雷电回击通道底部电流波形，运用MATLAB进行仿真分析，改变模型中的参数，观察仿真波形，总结MTLE模型的特点及雷电回击通道电流的影响因子，有助于雷电防护事业的进一步探讨。

Lightning return channel current influence factor simulation analysis

The lightning strikeback model is an important part of the research field of lightning electromagnetic field. In order to study the lightning electromagnetic field in a deeper level, it focuses on the engineering model in the lightning strikeback model, and combines the most widely used MTLE model in the field of electromagnetic compatibility to select the Heidler function as The current waveform at the bottom of the lightning strikeback channel is simulated by MATLAB, the parameters in the model are changed, the simulation waveform is observed, and the characteristics of the MTLE model and the influence factors of the lightning strikeback channel current are summarized, which is helpful for further exploration of lightning protection.